1 blastomere (one of the two daughter cells), 2 blastomere (the other of the two daughter cells), 3 fertilization membrane, 4 first cleavage plane. (b) anatomy of fruit fly ovary and expanded view of egg chambers in a single ovariole. Drosophila Development- Stages Significance - Developmental Biology - Microbe Notes Movie made by journalists at the 2009 mbl logan science journalism program in woods hole. Drosophila life cycle timeline . The pictured vial shows each major stage of the life cycle, which is. There were two periods, each of about 10 years, during which drosophila was the supreme model organism. The drosophila life cycle drosophila melanogaster is a typical insect. 3 homeobox and homeotic genetics p. The generation time is roughly 10 d from fertilized egg to eclosed adult, and the maximum life span ranges from 60 to 80 d depending on the culture conditions. Melanogaster are cultured in vials with food in the bottom and a cotton, rayon, or foam plug at the top....